Asked by chris

a boy walks 50m from the bottom of a building lies down and notes that he has to raise his eyes through 42 degree from the horizontal. what is the height of the building?

i am doing tan(42)=x/50 but the answer is supposed to be 45m. how do i get that?
Answered by chris
actually don't answer that im stupid. i hand by calculator in rad rather than deg. sorry. have a great rest of the day.
Answered by MathMate
Good, only those who don't work never make mistakes!
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